MFA

MFA uses various authentication factors to confirm a user’s identity. These factors typically fall into three categories:

• Knowledge factors: This involves information only the user should know, such as a password, PIN, or answers to security questions.
• Possession factors: This involves something the user possesses, adding a physical element to the authentication process. Common examples include receiving a one-time code on a mobile device or using a physical security token.
• Inherence factors: Biometric data, such as fingerprints or facial recognition, is an example of something inherent to the user. Biometrics add a unique and personal dimension to the authentication process.

The strength of MFA lies in its ability to create a layered defense, where compromising one factor does not grant unauthorized access. Even if a password is stolen, an additional verification step is required, providing an additional barrier against unauthorized entry. This is...